Good idea and app simple and easy to navigate. One issue with it though is online top up transfer won't work (UK). I realise credit card transfer is not an available here in the UK. Debit card only in UK however this also fails (declines) every time trying in both https://josuejarfu.blogofoto.com/63546369/les-principes-de-base-de-prepaid-google-play-tegoeden-aanbieden